NON-RETURN DAMPER
http://data.posccaesar.org/rdl/RDS1048796831
<http://rds.posccaesar.org/2008/02/OWL/ISO-15926-2_2003#ClassOfFunctionalObject>
2009.03.04
mvsen
A gas flow damper that prevents back flow in a duct.
RDS1048796831
NON-RETURN DAMPER
NON-RETURN DAMPER
Recorded
BACK FLOW DAMPER
mvsen
RDS
In a multi fan installation a non-return damper prevents back draught through the non-operating fans.